Closure having an array of piercable places
CA 2130129 A1 · Owner: F. Hoffmann-La Roche Ag · Inventors: Ellenberger, Martin Walter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A closure (1) for a reagent container (3) for use in an analytical device in which an automatic pipetting means is used for transferring small quantities of reagent from reagent containers (3) to reaction cells, the pipetting means comprising a pipetting needle (13) automatically guided by a transfer device and having its free open end (19) in a plane at a first acute angle (.theta.) to the longitudinal axis of the pipetting needle, the disclosure (1) being a part moulded in one piece from a plastics and having a cylindrical side wall (4) and a top wall (5) adjacent the side wall. To reduce the requirements on the accuracy of the device conveying the pipetting needle, the closure is …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed August 15, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 15, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 15, 2016.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.